Cheap Flights from San Diego (SAN) to Tainan (TNN)

Popular airlines from San Diego Intl. Airport (SAN) to Tainan (TNN)

Alternative airports near Tainan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kaohsiung Intl. KHH. Cheapest option available. Average driving time to city center is 1 hour 6 minutes. Flights from $1,193
KHH
Kaohsiung Intl.
Cheapest
Average driving time to city center1 h 6 min
Flights from $1,193

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Tainan Airport (TNN) cost?
Get a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Tainan Airport (TNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Tainan Airport (TNN)?
The cheapest month to fly from SAN to TNN is , when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Tainan Airport (TNN)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SAN to TNN. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from San Diego Intl. Airport (SAN) to Tainan Airport (TNN)?
There are no daily direct flights available from San Diego Intl. Airport (SAN) to Tainan Airport (TNN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SAN to TNN?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Tainan Airport (TNN)?
Select a flight from San Diego Intl. Airport (SAN) to Tainan Airport (TNN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Tainan Airport (TNN) last-minute?
Holding off until just before your trip to book a flight from SAN to TNN generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a SAN to TNN flight and hotel package?
Securing a SAN to TNN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Tainan Airport (TNN)?
If you booked your SAN to TNN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
San Diego Intl.
Destination airport
Tainan
Distance
7040 mi

Book with confidence

San Diego to Tainan Flights

The cheapest times to fly from San Diego to Tainan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Tainan are during the month of . You can find some of the cheapest flights from San Diego to Tainan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Tainan

Sunday is one of the best days to book for cheap flights from San Diego to Tainan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Tainan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Tainan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Tainan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Tainan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Tainan Flights

Explore a world of travel with Expedia

*Available to One Key members.